ATCC hTERT immortalized bronchial epithelial cells have an extended lifespan, consistently form an electrically tight epithelium, have a stable karyotype and are phenotypically similar to the primary parent cells.

ATCC hTERT immortalized endometrial fibroblasts have an extended lifespan, display the biochemical endpoints of decidualization after hormone treatment and are karyotypically, morphologically, and phenotypically similar to the primary parent cells.

ATCC hTERT immortalized mammary epithelial cells have an extended lifespan, do not express estrogen receptors, and are karyotypically, morphologically, and phenotypically similar to the primary parent cells.

ATCC hTERT immortalized renal epithelial cells have an extended lifespan, show phenotypic characteristics of angiomyolipomas, and are karyotypically, morphologically, and phenotypically similar to the primary parent cells.